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TSV6394IPT Equivalent & Substitute Parts
Part Overview
The TSV6394IPT is a CMOS 4-circuit rail-to-rail amplifier manufactured by STMicroelectronics in a 14-TSSOP surface mount package. This linear amplifier is designed for general-purpose signal conditioning and amplification applications requiring low power consumption and rail-to-rail output capability. The device is active and in production with full RoHS3 compliance and unlimited moisture sensitivity rating. Equivalent and substitute parts are identified based on matching package type, circuit count, output configuration, and electrical performance parameters within acceptable operating ranges.
Substiute Parts
Key Parameters
| Parameter | TSV6394IPT | Unit |
|---|---|---|
| Amplifier Type | CMOS | — |
| Number of Circuits | 4 | — |
| Output Type | Rail-to-Rail | — |
| Package / Case | 14-TSSOP (0.173", 4.40mm Width) | — |
| Slew Rate | 1.1 | V/µs |
| Gain Bandwidth Product | 2.4 | MHz |
| Current - Input Bias | 1 | pA |
| Voltage - Input Offset | 3 | mV |
| Current - Supply | 50 | µA |
| Current - Output / Channel | 72 | mA |
| Voltage - Supply Span (Min) | 1.5 | V |
| Voltage - Supply Span (Max) | 5.5 | V |
| Operating Temperature | -40 to 125 | °C |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the TSV6394IPT are selected based on the following critical parameters:
Mandatory Matching Criteria:
- Package type: 14-TSSOP surface mount
- Circuit count: 4 independent amplifier circuits
- Output configuration: Rail-to-rail output
- Operating temperature range: Minimum -40°C to maximum 125°C
- Supply voltage span: Minimum 1.5 V to maximum 5.5 V
- RoHS3 compliance and MSL 1 rating
Performance Parameters for Substitution: Substitute parts must maintain compatibility within the following electrical specifications: slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, and output current per channel. Substitutes are grouped by amplifier type (CMOS or General Purpose) and performance tier to facilitate selection based on application requirements.
Parameter Comparison
| Parameter | TSV6394IPT | AD8534ARUZ | AD8544ARUZ | AD8604ARUZ | AD8608ARUZ | Unit |
|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | — |
| Amplifier Type | CMOS | General Purpose | General Purpose | CMOS | CMOS | — |
| Number of Circuits | 4 | 4 | 4 | 4 | 4 | — |
| Output Type | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | — |
| Package / Case | 14-TSSOP | 14-TSSOP | 14-TSSOP | 14-TSSOP | 14-TSSOP | — |
| Slew Rate | 1.1 | 5 | 0.92 | 6 | 5 | V/µs |
| Gain Bandwidth Product | 2.4 | 3 | 1 | 8.4 | 10 | MHz |
| Current - Input Bias | 1 | 5 | 4 | 0.2 | 1 | pA |
| Voltage - Input Offset | 3 | 25 | 1 | 80 µV / 1.3 mV | 80 µV | mV / µV |
| Current - Supply | 50 | 750 | 45 | 750 | 1000 | µA |
| Current - Output / Channel | 72 | 250 | 30 | 50 | 80 | mA |
| Voltage - Supply Span (Min) | 1.5 | 2.7 | 2.7 | 2.7 | 2.7 | V |
| Voltage - Supply Span (Max) | 5.5 | 6 | 5.5 | 5.5 | 5.5 | V |
| Operating Temperature | -40 to 125 | -40 to 85 | -40 to 125 | -40 to 125 | -40 to 125 | °C |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | — |
Engineering Selection Recommendations
Direct Substitutes (CMOS Amplifier Type):
The AD8604ARUZ, AD8604DRUZ, AD8608ARUZ, and their reel variants (AD8604ARUZ-REEL, AD8604DRUZ-REEL, AD8608ARUZ-REEL) are CMOS amplifiers matching the TSV6394IPT amplifier type classification. These devices maintain the same 14-TSSOP package, 4-circuit configuration, and rail-to-rail output specification. All variants are active products with RoHS3 compliance and MSL 1 rating. The AD8604 series offers higher slew rate (6 V/µs) and gain bandwidth product (8.4 MHz) compared to the TSV6394IPT, with lower input offset voltage (80 µV to 1.3 mV). The AD8608 series provides the highest performance tier with 5 V/µs slew rate and 10 MHz gain bandwidth product. These CMOS substitutes are suitable for applications requiring improved frequency response and precision.
Alternative Substitutes (General Purpose Amplifier Type):
The AD8534ARUZ, AD8534ARUZ-REEL, AD8544ARUZ, and AD8544ARUZ-REEL are general-purpose amplifiers in the same 14-TSSOP package with 4-circuit rail-to-rail configuration. All are active products with RoHS3 compliance and MSL 1 rating. The AD8534 series operates at higher slew rate (5 V/µs) and gain bandwidth product (3 MHz) with higher supply current (750 µA). The AD8544 series provides lower power consumption (45 µA) and lower input offset voltage (1 mV) with reduced slew rate (0.92 V/µs) and gain bandwidth product (1 MHz). The AD8544 series supports the full operating temperature range (-40°C to 125°C) matching the TSV6394IPT. The AD8534 series is limited to -40°C to 85°C operating temperature.
Packaging Considerations:
Tube packaging (standard suffix) and Cut Tape with Digi-Reel packaging (REEL suffix) variants are available for all substitute parts. Selection between packaging types depends on procurement and assembly requirements. Both packaging formats maintain identical electrical specifications and compliance certifications.
Frequently Asked Questions (FAQ)
Q: Can AD8534ARUZ be used as a direct replacement for TSV6394IPT in all applications?
A: AD8534ARUZ shares the same 14-TSSOP package, 4-circuit configuration, and rail-to-rail output specification. However, the operating temperature range differs: AD8534ARUZ operates from -40°C to 85°C, while TSV6394IPT operates from -40°C to 125°C. Applications requiring operation above 85°C require alternative substitutes such as AD8544ARUZ, AD8604ARUZ, or AD8608ARUZ.
Q: What is the difference between AD8604ARUZ and AD8604DRUZ?
A: Both AD8604ARUZ and AD8604DRUZ are CMOS amplifiers in the 14-TSSOP package with identical electrical performance specifications. The primary difference is input offset voltage specification: AD8604ARUZ specifies 80 µV, while AD8604DRUZ specifies 1.3 mV. Both devices support the full -40°C to 125°C operating temperature range and are available in tube and reel packaging variants.
Q: Are reel packaging variants (REEL suffix) electrically equivalent to tube packaging?
A: Yes. Parts with the REEL suffix (such as AD8604ARUZ-REEL, AD8608ARUZ-REEL, AD8544ARUZ-REEL, and AD8534ARUZ-REEL) maintain identical electrical specifications, performance parameters, and compliance certifications as their tube-packaged counterparts. The REEL designation indicates Cut Tape and Digi-Reel packaging format only, not electrical differences.
Q: Which substitute offers the lowest power consumption?
A: AD8544ARUZ and AD8544ARUZ-REEL provide the lowest supply current at 45 µA (compared to 50 µA for TSV6394IPT). However, these devices have reduced slew rate (0.92 V/µs) and gain bandwidth product (1 MHz). For applications prioritizing low power with higher performance, AD8604ARUZ and AD8604DRUZ variants offer 750 µA supply current with 6 V/µs slew rate and 8.4 MHz gain bandwidth product.
Q: What is the minimum supply voltage requirement for substitute parts?
A: TSV6394IPT operates from 1.5 V minimum supply voltage. All substitute parts (AD8534, AD8544, AD8604, AD8608 series) require minimum 2.7 V supply voltage. Applications operating below 2.7 V cannot use these substitutes and require alternative components.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All substitute parts listed (AD8534ARUZ, AD8534ARUZ-REEL, AD8544ARUZ, AD8544ARUZ-REEL, AD8604ARUZ, AD8604ARUZ-REEL, AD8604DRUZ, AD8604DRUZ-REEL, AD8608ARUZ, and AD8608ARUZ-REEL) are RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the TSV6394IPT compliance status.
Q: Which substitute provides the highest output current per channel?
A: AD8534ARUZ and AD8534ARUZ-REEL provide the highest output current at 250 mA per channel, compared to 72 mA for TSV6394IPT. AD8608ARUZ and AD8608ARUZ-REEL provide 80 mA per channel. AD8604 variants provide 50 mA per channel, and AD8544 variants provide 30 mA per channel.
Q: Can TSV6394IPT be substituted with AD8608ARUZ in high-frequency applications?
A: AD8608ARUZ is suitable for higher frequency applications, offering 10 MHz gain bandwidth product and 5 V/µs slew rate compared to TSV6394IPT's 2.4 MHz and 1.1 V/µs. However, AD8608ARUZ requires higher supply current (1 mA per 4 channels) and minimum 2.7 V supply voltage. Compatibility depends on specific application frequency requirements and power budget constraints.
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